15th Century and Earlier Natural Specimens
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Period: 15th Century and Earlier
Recognized Seller Listings
Quartz, Colombia
Located in New York, NY
QUARTZ
Peña Blanca Mine, San Pablo de Borbur, Western Boyacá Prov., Boyacá Dept., Colombia
14 cm tall x 20 cm wide
The Pena Blanca Mine is typically known for emerald crystals. In a...
Category
Colombian Antique 15th Century and Earlier Natural Specimens
Materials
Other
Pink Fluorite on Smoky Quartz, Switzerland
Located in New York, NY
PINK FLUORITE ON SMOKY QUARTZ
Tiefengletscher, Furka, Uri, Switzerland
28.5 cm tall x 12.7 cm wide
In the mineral kingdom there are hierarchies, not all of them actually correct. Bu...
Category
Swiss Antique 15th Century and Earlier Natural Specimens
Materials
Other
Smoky Quartz Gwindel, Switzerland
Located in New York, NY
SMOKY QUARTZ GWINDEL
Les Courtes, Chamonix, Chamonix-Mont-Blanc, Bonneville, Haute-Savoie, Auvergne-Rhône-Alpes, France
12 cm tall x 12 cm wide
This Alpine region is most well known...
Category
Swiss Antique 15th Century and Earlier Natural Specimens
Materials
Other
Tourmaline "Parrot", Brazil
Located in New York, NY
TOURMALINE
Aricanga Mine, Sao Jose da Safira, Minas Gerais, Brazil
9 cm tall x 2.1 cm diameter
Crystals of this type are sometimes referred to as "Parrot" crystals due to the multi-...
Category
Brazilian Antique 15th Century and Earlier Natural Specimens
Materials
Other
Stibnite with Barite & Quartz, China
Located in New York, NY
STIBNITE WITH BARITE & QUARTZ
Xikuangshan antimony deposit, Lengshuijiang Co., Loudi, Hunan, China
23 cm tall x 28 cm wide
The largest and most important stibnite specimens have his...
Category
Chinese Antique 15th Century and Earlier Natural Specimens
Materials
Other
Banded Iron Formation with Red Jasper, Haematite & Tiger's Eye
Located in London, GB
Banded Iron Fossil Formation
Circa 2.9 Billion y/o
This spectacular banded iron formation from Port Hedland, Western Australia, provides evid...
Category
Australian Antique 15th Century and Earlier Natural Specimens
Materials
Multi-gemstone
Complete Slice of Imilac Meteorite
Located in London, GB
This complete cross-sectional slice from the Imilac meteorite has been prepared to reveal shimmering olivine and peridot gems embedded in an iron-nick...
Category
Antique 15th Century and Earlier Natural Specimens
Materials
Other
Schorl Tourmaline with Aquamarine, Pakistan
Located in New York, NY
SCHORL TOURMALINE WITH AQUAMARINE
Shengus, Roundu District, Gilgit-Baltistan, Pakistan
19.2 cm tall x 6.2 cm wide
Gilgit-Baltistan (formerly known as the Northern Areas) is home to m...
Category
Pakistani Antique 15th Century and Earlier Natural Specimens
Materials
Other
Tsavorite Garnet, Merelani Hills, Lelatema Mountains, Tanzania
Located in New York, NY
TSAVORITE GARNET
Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania
2.55 cm tall x 3.2 cm wide
A variety of grossular g...
Category
Tanzanian Antique 15th Century and Earlier Natural Specimens
Materials
Other
Vanadinite on Barite, Mibladen, Midelt Cercle, Midelt Prov., Morocco
Located in New York, NY
VANADINITE ON BARITE
Mibladen, Aït Oufella Caïdat, Midelt Cercle, Midelt Province, Drâa-Tafilalet Region, Morocco
12.7 cm tall x 14 cm wide
The Drâa-Tafilalet Region of Morocco, best...
Category
Moroccan Antique 15th Century and Earlier Natural Specimens
Materials
Other
Liddicoatite Tourmaline with Quartz, Madagascar
Located in New York, NY
LIDDICOATITE TOURMALINE WITH QUARTZ
Anjanbonoina, Antananarivo Prov., Madagascar
7.1 cm tall x 6.8 cm wide
Liddicoatite is an uncommon form of tourmaline. It was first discovered in ...
Category
Malagasy Antique 15th Century and Earlier Natural Specimens
Materials
Other
Tyrannosaurus Rex Tooth in Fossil Matrix
Located in London, GB
Tyrannosaurus Rex Tooth in Fossil Matrix.
Late Cretaceous, circa 65 Million years before present.
Lance Formation, Marchant Ranch Quarry, Niobrara County, Wy...
Category
Antique 15th Century and Earlier Natural Specimens
Materials
Other
Fossilized Wood Cross-Section
Located in London, GB
Fossilised Colla Wood Cross-Section
Miocene, circa 23-5 Million years before present
Recovered near the town of Zile, Turkey
Fossilised wood fragment displ...
Category
Antique 15th Century and Earlier Natural Specimens
Materials
Other
Iridescent Ammonite Fossil
Located in London, GB
Large spectacular iridescent ammonite fossil.
75 Million y/o
A magnificent example of one of the most spectacular fossils. A large and int...
Category
Canadian Antique 15th Century and Earlier Natural Specimens
Materials
Stone
Vesuvianite, Jeffrey Mine, Val-des-Sources, Les Sources RCM, Estrie, Canada
Located in New York, NY
Vesuvianite, Jeffrey Mine, Val-des-Sources, Les Sources RCM, Estrie, Québec, Canada
7.5 cm tall x 6 cm wide
"The Jeffrey mine, once the largest producer of chrysotile asbestos in th...
Category
Canadian Antique 15th Century and Earlier Natural Specimens
Materials
Other
Benitoite on Natrolite, California State Gem Mine, California
Located in New York, NY
Benitoite on Natrolite, California State Gem Mine, Santa Rita Peak, San Benito County, California, USA
3.5 cm tall x 7 cm wide
Benitoite is a very rare species, discovered in 1906 i...
Category
American Antique 15th Century and Earlier Natural Specimens
Materials
Other
Cadmium Smithsonite, Masua Mine, Iglesias, South Sardinia Prov, Sardinia, Italy
Located in New York, NY
Cadmium Smithsonite, Masua Mine, Iglesias, South Sardinia Prov, Sardinia, Italy
5.8 cm diameter
The Masua Mine began operation in 1857 and operated for over 130 years until its offi...
Category
Italian Antique 15th Century and Earlier Natural Specimens
Materials
Agate, Other
Fluorapatite (bi-color) with Cleavelandite, Afghanistan
Located in New York, NY
Fluorapatite (bi-color) with Cleavelandite, Dara-e-Pech pegmatite field, Dara-e-Pech District, Kunar, Afghanistan
6 cm tall x 7 cm wide
Fluorapatite is found in several colors, purp...
Category
Afghan Antique 15th Century and Earlier Natural Specimens
Materials
Other
Extraterrestrial Iron Meteorite Sphere
Located in London, GB
Aletai Meteorite Sphere Iron - IIIE
circa 4.5 Billion years old
A perfect metallic sphere, extracted from the core of the famous Aletai Meteorite, di...
Category
Chinese Antique 15th Century and Earlier Natural Specimens
Materials
Other
Fluorite on Hedenbergite Quartz, Huanggang Mine, Inner Mongolia, China
Located in New York, NY
Fluorite on Hedenbergite Quartz
Huanggang Mine, Keshiketeng Co., Inner Mongolia
17 cm tall x 17 cm wide
The discovery of pink and red fluorite in Mongolia is now legendary. It...
Category
Mongolian Antique 15th Century and Earlier Natural Specimens
Materials
Other
Fossilised Dinosaur Skin
Located in London, GB
Fossilised Skin of a Brachylophosaurus
Approx. 80 Million y/o
An exceptional specimen of fossilised dinosaur skin, preserving the hexagonal scales of...
Category
American Antique 15th Century and Earlier Natural Specimens
Materials
Stone
Rhodonite, Morro da Mina Mine, Conselheiro Lafaiete, Minas Gerais, Brazil
Located in New York, NY
Rhodonite
Morro da Mina Mine, Conselheiro Lafaiete,
Minas Gerais, Brazil
5.8 cm tall x 7.3 cm wide
The most exceptional rhodonites in the world are now found in Brazil. The...
Category
Brazilian Antique 15th Century and Earlier Natural Specimens
Materials
Other
End-Cut from the Imilac Meteorite
Located in London, GB
Imilac Meteorite End-Cut
circa 4.5 Billion y/o
Measures: 10 x 13 x 1 cm
“This interior section of the Imilac pallasite shows a large range of olivine grain sizes there are coarse grains, grain clusters and fine-grained, crushed olivine debris. All of the olivine grains are surrounded by a matrix of metallic iron-nickel derived from the top of a molten core of a differentiated asteroid”.
Dr Alan E. Rubin, PhD Department of Earth, Planetary, and Space Sciences...
Category
Chilean Antique 15th Century and Earlier Natural Specimens
Materials
Iron, Nickel
Sculptural Oriented Meteorite
Located in London, GB
Oriented Chondrite Meteorite Circa 4.56 Billion y/o
Chondrite
24 x 20 cm, 28 cm tall on base
7.1 kg
A sculptural and beautifully weathered chondrite meteorite; upon entering the atmosphere, this extraterrestrial stone would have heated the surrounding air to a temperature of over 1700 C, higher than that of the hottest lava on the planet, and enough to melt away its outer layers, leaving its surface rippled with regmaglypts, thumb-shaped impressions formed as superheated rock streaked off of the main body as it careened toward the earth. The last layer of the rock to melt would have re-solidified as the meteorite made impact, forming a charcoal coloured fusion crust, which has taken on a deep ochre-tinted patina.
Chondrite meteorites such as this example were formed at the very beginning of our solar system, by the accretion of various types of dust and small grains, adrift in the vacuum of space and, as such, provide important clues about the birth of our own planet. This piece is an especially rare specimen, known as an oriented meteorite...
Category
Antique 15th Century and Earlier Natural Specimens
Materials
Stone
Chrysocolla on Quartz, Tentadora Mine, Julcani Dist., Peru
Located in New York, NY
Chrysocolla on Quartz, Tentadora Mine, Julcani Dist., Angaraes Prov., Huancavelica, Peru
Richly colored blue and green chrysocolla has coated clear quartz in this unique small dis...
Category
Peruvian Antique 15th Century and Earlier Natural Specimens
Materials
Other
Fluorite with Sphalerite, Denton Mine, Harris Creek Dist., S. Illinois, USA
Located in New York, NY
Fluorite with Sphalerite, Denton Mine, Harris Creek Dist., S. Illinois, USA
13 cm tall x 13 cm wide
ex-collection Ross Lillie
Fluorite from this classic Illinois mine is highly ...
Category
American Antique 15th Century and Earlier Natural Specimens
Materials
Other
Cross-Section from an Exceptional Lunar Meteorite
Located in London, GB
A piece of the moon - superb lunar meteorite gadamis 004 - Anorthosite
4.5 Billion y/o
Among the rarest substances to be found on Earth, thi...
Category
Libyan Antique 15th Century and Earlier Natural Specimens
Materials
Stone
Lunar Meteorite
Located in London, GB
A beautiful fragment from a lunar meteorite, among the rarest of all geological finds. This specimen belongs to NWA 11303, a feldspathic regolith breccia which formed when the shock ...
Category
Algerian Antique 15th Century and Earlier Natural Specimens
Materials
Stone
Lightning Bolt Shaped Meteorite Endcut
Located in London, GB
“This jagged exterior endcut of the Seymchan pallasite has patches of olivine-free metallic iron-nickel as well as regions where olivine and metal are more uniformly distributed. The...
Category
Antique 15th Century and Earlier Natural Specimens
Materials
Other
Seymchan Meteorite Sphere
Located in London, GB
Seymchan Sphere
Pallasite
291 g
Comprising less than 0.2% of all meteorites, pallasites, made up of an iron-nickel matrix interwoven with amber-coloured olivine gemstones, are the most dazzling meteorites of all. This piece, extracted from the Seymchan meteorite...
Category
Russian Antique 15th Century and Earlier Natural Specimens
Materials
Iron
Natural Gogotte Formation
Located in London, GB
'Louis XIV' Gogotte Formation
Measures: circa 30 Million y/o
105 x 76 x 15 cm
A magnificent example of a gogotte formation, nicknamed Louis XIV, composed of thick swirls and folds of sparkling sandstone. Discovered in the Oligocene sand dunes of Fontainebleau, France, formed circa 30 million years before present or later. The incredible, almost otherworldly appearance of gogottes may easily be mistaken for the work of a most talented artist. In fact, these sandstone sculptures are entirely natural in origin. They have been found in multiple locations but those from Fontainebleau, such as the present example, are the most remarkable. Thirty-five million years ago, a sea covered what is now the forest of Fontainebleau, and dunes of exceptionally fine and homogenous sand formed. As silica-rich water filtered through this sand, it turned into stone. The flow of water finely modelled the sandstone into the forms we now know as gogottes. These are rare and are only found sporadically, several metres buried underground. They owe their sparkling white appearance to the extreme and unmatched purity of the Fontainebleau sand, sometimes reaching a composition of 99.9% silica. Each of them is unique – a masterpiece slowly fashioned by the hands of Nature.
The name “gogotte” was coined by French geologist Claude Guillemin (1923- 1994), inspired by the children’s book series Babar the Elephant...
Category
French Antique 15th Century and Earlier Natural Specimens
Materials
Sandstone
Gogotte Formation
Located in London, GB
Gogotte formation
circa 30 Million y/o
Measures : 42 x 21 x 63 cm.
A magnificent example of a gogotte formation, composed of thick swirls and fo...
Category
French Antique 15th Century and Earlier Natural Specimens
Materials
Sandstone
Dioptase, Omaue Mine, Kaokoveld Plateau, Kunene Region, Namibia
Located in New York, NY
Dioptase, Omaue Mine, Kaokoveld Plateau, Kunene region, Namibia
Measures: 8.5 cm tall x 7 cm wide
Dioptase, once believed to be emerald when first encountered, is amongst the most vividly colored species. Large gem...
Category
Namibian Antique 15th Century and Earlier Natural Specimens
Materials
Other
Sculptural Iron Meteorite from Morasko, Poland
Located in London, GB
Iron Meteorite from Morasko, Poland
Circa 4.55 Billion y/o
Iron, IAB-MG
A sculptural iron meteorite dating to the formation of the solar system, s...
Category
Polish Antique 15th Century and Earlier Natural Specimens
Materials
Iron
Pre-Solar Stardust, a Piece of the Allende Meteorite
Located in London, GB
Pre-Solar Stardust - A piece of the Allende Meteorite
Carbonaceous Chondrite - CV3
Height 6.98 cm
280 g
“This individual sample of the Allende CV3 carbonaceous chondrite shows ...
Category
Mexican Antique 15th Century and Earlier Natural Specimens
Materials
Stone
Natural Gogotte Formation
Located in London, GB
A magnificent example of a gogotte formation composed of thick swirls and folds of sparkling sandstone. Discovered in the Oligocene sand dunes of Fontainebleau, France, formed circa 30 million years before present or later.
The incredible, almost otherworldly appearance of gogottes may easily be mistaken for the work of a most talented artist. In fact, these sandstone sculptures are entirely natural in origin. They have been found in multiple locations but those from Fontainebleau, such as the present example, are the most remarkable. Thirty-five million years ago, a sea covered what is now the forest of Fontainebleau, and dunes of exceptionally fine and homogenous sand formed. As silica-rich water filtered through this sand, it turned into stone. The flow of water finely modelled the sandstone into the aesthetic concretions we now know as gogottes. These are rare and are only found sporadically several metres deep into the ground. They owe their sparkling white appearance to the extreme and unmatched purity of the Fontainebleau sand, sometimes reaching a composition of 99.9% silica. Each of them is unique – a masterpiece slowly fashioned by the hands of Nature.
The intriguing name of “gogotte” was coined by French geologist Claude Guillemin (1923- 1994), who was inspired by the children’s book series Babar the Elephant. In one of the books, a group of monsters called Gogottes are shown hiding behind rocks. These rocks reminded Guillemin of the sandstone concretions...
Category
Antique 15th Century and Earlier Natural Specimens
Materials
Other
Rubellite Tourmaline on Feldspar, Malkhan Pegmatite Field, Russia
Located in New York, NY
Rubellite Tourmaline on Feldspar, Malkhan Pegmatite Field, Krasnyi Chikoy, Zabaykalsky Krai, Russia
Measures: 8 cm tall x 8 cm wide
All rubellite tourmaline is compared to the famou...
Category
Russian Antique 15th Century and Earlier Natural Specimens
Materials
Other
Hemimorphite on Quartz, Malipo Mine, Wenshan Co., Yunnan Prov, China
Located in New York, NY
Hemimorphite on Quartz, Malipo Mine, Wenshan Co., Yunnan Prov., China
Measures: 12 cm tall x 10 cm wide
Hemimorphite from China has taken on entirely new qualities that barely ex...
Category
Chinese Antique 15th Century and Earlier Natural Specimens
Materials
Other
Oriented Stone Meteorite
Located in London, GB
Oriented Stone Meteorite
Chondrite
5.00 kg
Detached from its parent body by a mighty impact, this large, oriented Meteorite travelled over a hu...
Category
North African Antique 15th Century and Earlier Natural Specimens
Materials
Stone
Quartz with Inclusions, Corinto, Minas Gerais, Brazil
Located in New York, NY
One of our specialties is inclusions. We have handled many of the world's finest known examples. I have never seen anything like this before. Normally you would find a single crystal...
Category
Brazilian Antique 15th Century and Earlier Natural Specimens
Materials
Quartz, Other
Fossilised Colla Wood Cross-Section
Located in London, GB
Fossilised colla wood cross-section
Miocene, circa 5-23 Million y/o
This fossilised white pine wood section displays a beautiful surface, with vibrant h...
Category
Turkish Antique 15th Century and Earlier Natural Specimens
Materials
Stone
Cross Section of the Seymchan Meteorite
Located in London, GB
Cross Section from the Seymchan Meteorite
Pallasite
Comprising less than 0.2% of all meteorites, pallasites, made up of an iron-nickel matrix inter...
Category
Russian Antique 15th Century and Earlier Natural Specimens
Materials
Iron, Nickel
Tanzanite
Located in New York, NY
Tanzanite
Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania
Measures: 12 cm tall x 6.1 cm wide
Tanzanite has only been found in one place on e...
Category
Tanzanian Antique 15th Century and Earlier Natural Specimens
Materials
Other
Quartz, Penas Blancas Mine, Vasquez-Yacopi Dist., Boyaca Dept., Colombia
Located in New York, NY
Quartz.
Penas blancas mine, Vasquez-Yacopi dist.,
Boyaca Dept., Colombia.
Measures: 45 cm tall x 7.6 cm wide.
At least 12% of the earth's crust is quartz, making it one of ...
Category
Colombian Antique 15th Century and Earlier Natural Specimens
Materials
Quartz, Other
Amethyst with Quartz Pseudomorph Anhydrite, Rio Grande Do Sul, Brazil
Located in New York, NY
Amethyst with Quartz Pseudomorph Anhydrite, Rio Grande do Sul, Brazil
Superb bright Amethyst surrounded by an explosion of bladed Quartz after Anhydrite crystals.
Category
Brazilian Antique 15th Century and Earlier Natural Specimens
Materials
Other
Pyrite on Quartz, Fengjiashan Mine, China
Located in New York, NY
Pyrite on Quartz, Fengjiashan Mine, Edong Mining Dist., Daye Co., Huangshi Pref., Hubei Prov., China
Measures: 16 cm tall x 18 cm wide.
Category
Chinese Antique 15th Century and Earlier Natural Specimens
Materials
Other
Meteorite Impact Desert Glass
Located in London, GB
Libyan Desert Glass
Circa 29 Million y/o
Height: 9.5 cm
A beautiful, tactile piece of yellow glass, found between the high crested dunes of the Libyan De...
Category
Libyan Antique 15th Century and Earlier Natural Specimens
Materials
Glass
Monolithic Stone Meteorite
Located in London, GB
Unclassified Meteorite
Stone
Height: 36.83 cm
42.5 kg
A dramatic extraterrestrial sculpture, of monolithic form, covered in a thick grey-brown fusion crust and with areas of sandy deposits from untold years spent on the desert floor. Formed in the asteroid belt between Mars and Jupiter during the formation of our solar system, some 4.55 billion years ago, this large stone would have been separated from its parent body by an enormous impact before journeying through interplanetary space and eventually reaching Earth.
Upon atmospheric entry it would have reached cosmic velocity, heating the surrounding air to 1700°C and producing a large ball of fire. The heat was sufficient to melt the outer surface of the stone, exposing a new surface which in turn also melted away, losing as much as 95% of its initial mass before reaching the ground. The last molten layer to form as it collided with the Earth covered the stone in a layer of fusion crust, evidence of the incredible impact force delivered by this extraordinary specimen.
“This unclassified stone meteorite was found in Northwest Africa. It has a relatively smooth, dark brown, slightly weathered fusion crust; some small melt veins are visible on the surface. Due to the near-absence of terrestrial rocks in this region of the Sahara, meteorite hunting in this area has yielded many notable discoveries.”
Dr Alan E. Rubin, PhD Department of Earth, Planetary, and Space Sciences...
Category
North African Antique 15th Century and Earlier Natural Specimens
Materials
Stone
Giant Egg of the Extinct 'Elephant Bird'
Located in London, GB
An exceptionally well preserved, unhatched egg of the Giant elephant bird, Aepyornis maximus.
The now-extinct Aepyornis maximus, or elephant bird, wa...
Category
Malagasy Antique 15th Century and Earlier Natural Specimens
Materials
Eggshell
Large Sikhote-Alin Meteorite Shrapnel
Located in London, GB
Sikhote-Alin Meteorite Shrapnel, Iron, Coarsest Octahedrite
“This chunk of twisted metal shows the extreme force of the low altitude air burst which exploded the main mass, causing shockwaves which collapsed chimneys, shattered windows and uprooted trees. Sonic booms were heard more than 300 kilometres away and a 33-kilometre long smoke trail persisted in the sky for several hours.” - Dr Alan E. Rubin, PhD Department of Earth, Planetary, and Space Sciences, UCLA
Dating back to the formation of the solar system, some 4.55 billion years ago, Sikhote-Alin meteorites are the best preserved of all known iron meteorites. This extremely aesthetic specimen is a beautiful example of the so-called shrapnel type. It is the result of a powerful secondary explosion which occurred close to the ground, producing a wonderfully scarred and sculptural appearance, with torn and jagged edges and delicate flow lines. On the morning of 12 February 1947, an enormous iron meteor passed through the Earth’s atmosphere, exploding over the Sikhote-Alin mountains in South-eastern Russia...
Category
Russian Antique 15th Century and Earlier Natural Specimens
Materials
Iron
Cross Section of the Imilac Meteorite
Located in London, GB
“This 282 g interior section of the Imilac pallasite shows a large range of olivine grain sizes – there are coarse grains, grain clusters and fine-grained, crushed olivine debris. All of the olivine grains are surrounded by a matrix of metallic iron-nickel derived from the top of a molten core of a differentiated asteroid.”
Dr Alan E. Rubin, PhD Department of Earth, Planetary, and Space Sciences, UCLA
Imilac - interior section
Stony-iron, pallasite - PMG
8 1/4 inches (20.95 CM), 282 g
This complete cross-sectional slice from the Imilac meteorite...
Category
Antique 15th Century and Earlier Natural Specimens
Materials
Other
A Piece of Mars - Martian Meteorite
Located in London, GB
MARTIAN STONE - NWA 14713
Lherzolitic shergottite
127 g
“This 127-gram fragment of the NWA 14713 meteorite displays a green-black mottled exterior. The rock is a martian shergottite (a basalt) composed mainly of coarse grains of pyroxene as well as calcium-plagioclase glass. This glass, called maskelynite, formed from crystalline plagioclase when the specimen was blasted off the surface of Mars by an energetic collision. There are currently less than 350 known martian meteorites...
Category
North African Antique 15th Century and Earlier Natural Specimens
Materials
Stone
Cross Section of Exceptional Lunar Meteorite
Located in London, GB
“This 149-gram slice of the Gadamis 004 lunar meteorite contains a wide variety of sizes of light-colored angular anorthositic clasts. These silicate c...
Category
Libyan Antique 15th Century and Earlier Natural Specimens
Materials
Stone
"The Bonsai Tree" Calcite Helictites, Li Gian Mine, Wenshan, Yunnan, China
Located in New York, NY
"The Bonsai Tree"
Calcite Helictites
Li Gian Mine, Wenshan, Yunnan, China
Measures: 14.5 cm tall x 15 cm wide
Helictites are a form of speleothem formed by the deposition o...
Category
Chinese Antique 15th Century and Earlier Natural Specimens
Materials
Other
Large Chondrite Meteorite with Regmaglypts
Located in London, GB
NWA 12759
Stone, Chondrite - L5
18.3 KG
“This specimen of the NWA 12759 L5 chondrite has a smooth posterior fusion crust where meteoritic melt pooled as the rock descended through the atmosphere and was heated by friction with molecules of air. The meteorite is from the L-chondrite asteroid that was destroyed by an energetic collision 470 million years ago.”
Dr Alan E. Rubin, PhD Department of Earth, Planetary, and Space Sciences, UCLA
Detached from its parent body by a mighty impact, this large, oriented meteorite travelled over a hundred million miles through space before falling to Earth in the North African desert. Beautiful regmaglypts radiate from the apex of its cone shaped nose. These elongated dimples formed when streaks of superheated molten rock streamed off the meteor’s surface as it blazed through the atmosphere. The entire piece is coated in a glossy, umber-coloured fusion crust and close examination reveals remnants of encrusted, orange dirt.
Whilst most meteors tumble as they travel through the Earth’s atmosphere, oriented meteorites...
Category
Moroccan Antique 15th Century and Earlier Natural Specimens
Materials
Stone
Dioptase, Omaue Mine, Kaokoveld Plateau, Kunene Region, Namibia
Located in New York, NY
Dioptase, Omaue Mine, Kaokoveld Plateau, Kunene Region, Namibia
Measures: 9.5 cm tall x 9.9 cm wide
Dioptase, once believed to be emerald when first encountered, is amongst the most vividly colored species. Large gem...
Category
Namibian Antique 15th Century and Earlier Natural Specimens
Materials
Other
Vitrified Lightning Bolt
Located in London, GB
An Extraordinarily well preserved specimen of Fulgurite
Tubular Lechatetierite
Formation date unknown, recovered from the Sahara Desert, Algeria, ...
Category
Algerian Antique 15th Century and Earlier Natural Specimens
Materials
Glass
Azurite & Malachite, Milpillas Mine, Mun De Nacozari De Garcia, Sonora, Mexico
Located in New York, NY
Azurite & Malachite, Milpillas Mine, Mun de Nacozari de Garcia, Sonora, Mexico.
Measures: 14 cm tall x 10.2 cm wide
Azurite of this vibrant electric blue color has only been fo...
Category
Mexican Antique 15th Century and Earlier Natural Specimens
Materials
Other
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